Issue Float point in ARM WARNING: "__aeabi_d2iz"

2014-02-03 Thread naveen yadav
Dear All, We are using ARM SOC cortex A15. we are running 3.10.x kernel. I am using gcc 4.6 I need floating point in kernel module. So when I build I got warning WARNING: "__aeabi_d2iz" [/home/test/tt/hello.ko] undefined! WARNING: "__aeabi_dmul" [/home/test/tt/hello.ko] undefined! WARNING:

Re: BUG: spinlock lockup

2014-01-29 Thread naveen yadav
FIG_GENERIC_LOCKBREAK unsigned int break_lock; #endif #ifdef CONFIG_DEBUG_LOCK_ALLOC struct lockdep_map dep_map; #endif } raw_spinlock_t; So if this structure got corrupt, On Tue, Jan 21, 2014 at 3:44 PM, Will Deacon wrote: > On Tue, Jan 21, 2014 at 06:37:31AM +, naveen yada

Re: BUG: spinlock lockup

2014-01-20 Thread naveen yadav
, Will Deacon wrote: > On Sat, Jan 18, 2014 at 07:25:51AM +0000, naveen yadav wrote: >> We are using 3.8.x kernel on ARM, We are facing soft lockup issue. >> Following are the logs. > > Which CPU/SoC are you using? > >> BUG: spinlock lockup suspected on CPU#0, pr

BUG: spinlock lockup

2014-01-17 Thread naveen yadav
Dear All, We are using 3.8.x kernel on ARM, We are facing soft lockup issue. Following are the logs. BUG: spinlock lockup suspected on CPU#0, process1/525 lock: 0xd8ac9a64, .magic: dead4ead, .owner: /-1, .owner_cpu: -1 1 . Looks like lock is available as owner is -1, why arch_spin_trylock is g

Re: [PATCH] secure unlock_task_sighand() call

2013-12-23 Thread naveen yadav
Happy Christmas !!! Thanks Oleg and Linus for your reply. We are facing OOPS during core dump on kernel 3.8.x on ARM target. So we were doing core review and found this. We do not know whether its big issue but thought to share this considering the problem Also I think in zap_process() ther

[PATCH] secure unlock_task_sighand() call

2013-12-21 Thread naveen yadav
Dear All, When check code , we found below issue in zap_thread function(). >From 57bf616d0e20086d73122373baf799c675f4e3d5 Mon Sep 17 00:00:00 2001 From: Ajeet Yadav Date: Sat, 21 Dec 2013 14:45:48 +0530 Subject: [PATCH] secure unlock_task_sighand() call Since the return value was not checked

Info about which CPU is in Trustzone

2013-11-06 Thread naveen yadav
Dear all, We are running ARM cortex A15 (4 core), with Kernel 3.8. we have enable Trustzone feature also. We want is there any way to find at a particular time, how many core are involve in Trust zone mode and what are there number. Ex. 2 core involve core 1, core 3 Thanks -- To unsubscribe from

shmem info issue

2013-07-12 Thread naveen yadav
Hi All I am working on tmpfs. During code analysis I found shmem driver register itself as tmpfs . cat /proc/meminfo Shmem field read NR_SHMEM enum filed and shows used memory in tmpfs [root@localhost linux-3.8.2]# cat /proc/meminfo | grep -r Shmem Shmem: 704 kB [root@localhost l

Thumb Issue in ARM

2013-06-12 Thread naveen yadav
Dear all, We are facing one issue in user space, if we enable thumb mode and in kernel whether we enable or disable thumb mode or code run in both scenario. we could not understand the reason. Our core is ARM cortex A15, Kernel 3.8.13 One more issue if we disable THUMB in kernel we got undefine

Fwd:

2013-06-11 Thread naveen yadav
Dear all, We are facing one issue in user space, if we enable thumb mode and in kernel whether we enable or disable thumb mode or code run in both scenario. we could not understand the reason. Our core is ARM cortex A15, Kernel 3.8.13 One more issue if we disable THUMB in kernel we got undefine

Re: Issue with block I/O cgroup in case of threads

2012-07-27 Thread naveen yadav
We are using 3.0.33 kernel and verification is done on ARM cortex a9. On Fri, Jul 27, 2012 at 12:33 PM, naveen yadav wrote: > Hi All, > > > I am testing the cgroup block IO attributes in multiple threads scenario. > I tried testing Throttling policy (max read/write bytes per se